lan8720 Standard Microsystems Corp., lan8720 Datasheet - Page 40

• Manufacturer Part Number: lan8720
• Description: Small Footprint Rmii 10/100 Ethernet Transceiver With Hp Auto-mdix Support
• Manufacturer: Standard Microsystems Corp.

Revision 1.0 (04-15-09)
5.1
REGISTER #
16
17
18
20
21
22
23
26
27
28
29
30
31
0
1
2
3
4
5
6
The following registers are supported (register numbers are in decimal):
The mode key is as follows:
SMI Register Format
RW = Read/write,
SC = Self clearing,
WO = Write only,
RO = Read only,
LH = Latch high, clear on read of register,
LL = Latch low, clear on read of register,
NASR = Not Affected by Software Reset
X = Either a 1 or 0.
Basic Control Register
Basic Status Register
PHY Identifier 1
PHY Identifier 2
Auto-Negotiation Advertisement Register
Auto-Negotiation Link Partner Ability Register
Auto-Negotiation Expansion Register
Silicon Revision Register
Mode Control/Status Register
Special Modes
Reserved
Reserved
Reserved
Reserved
Symbol Error Counter Register
Control / Status Indication Register
Special internal testability controls
Interrupt Source Register
Interrupt Mask Register
PHY Special Control/Status Register
Table 5.20 SMI Register Mapping
DESCRIPTION
DATASHEET
40
Small Footprint RMII 10/100 Ethernet Transceiver with HP Auto-MDIX Support
Vendor-specific
Vendor-specific
Vendor-specific
Vendor-specific
Vendor-specific
Vendor-specific
Vendor-specific
Vendor-specific
Vendor-specific
Vendor-specific
Vendor-specific
Vendor-specific
Vendor-specific
SMSC LAN8720/LAN8720i
Extended
Extended
Extended
Extended
Extended
Group
Basic
Basic
Datasheet